D43
Semi-Slav Defense
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6
In the Semi-Slav Defense, aim to understand the plans and pawn structures, not just memorize the first moves.
The Semi-Slav Defense is a chess opening classified under ECO code D43. It is reached after the moves 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6: 8 moves in, with White to play.
Learn its typical plans and pawn structures rather than memorizing moves — that’s what holds up over the board.
Dozens of named variations branch from this position; the list at the end of the page goes one move deeper into each.
Play the Semi-Slav Defense? See where you go wrong.
Deepline reviews your real games, finds the exact moves that cost you, and trains the fixes.
Analyze my games free →Variations of the Semi-Slav Defense
- Quiet Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2
- Accelerated Move Order1. d4 d5 2. c4 e6 3. Nc3 c6
- Anti-Noteboom, Stonewall Variation, Portisch Gambit1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. g4
- Gunderam Gambit1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. f3
- Marshall Gambit1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4
- Marshall Gambit, Forgotten Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3
- Marshall Gambit, Main Line1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2
- Marshall Gambit, Tolush Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 c5 9. Bxc5 Qxg2
- Noteboom Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4
- Noteboom Variation, Abrahams Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 Bxc3+ 7. bxc3 b5 8. axb5 cxb5
- Noteboom Variation, Anti-Noteboom Gambit1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. g3
- Noteboom Variation, Anti-Noteboom Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5
- Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. Bg5 f6
- Anti-Moscow Gambit1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4
- Botvinnik Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4
- Botvinnik Variation, Alatortsev System1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5
- Botvinnik Variation, Ekstrom Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. exf6 gxh4 10. Ne5
- Botvinnik Variation, Lilienthal Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3
- Botvinnik Variation, Szabo Variation1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. Qf3
- Accelerated Meran Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6
- Main Line1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3
- Normal Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7
- Rubinstein System1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5
- Stoltz Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2
- Stoltz Variation, Center Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4
- Stoltz Variation, Center Variation, Mikhalchishin Line1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Qxe4 e5 10. dxe5
- Stoltz Variation, Shabalov Attack1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4
- Stonewall Defense1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Ne4 6. Bd3 f5
- Bogoljubow Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7
- Chigorin Defense1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6
- Romih Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bb4
- Meran Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5
- Meran Variation, Lundin Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4
- Meran Variation, Wade Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7
- Meran Variation, Wade Variation, Kaidanov Gambit1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Nxd4
- Meran Variation, Wade Variation, Larsen Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5
- Semi-Meran Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4
- Meran Variation, Old Variation1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5
- Meran Variation, Pirc Variation1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4
- Meran Variation, Reynolds' Variation1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5
Related openings
Semi-Slav Defense: Quiet VariationSemi-Slav Defense: Quiet VariationSemi-Slav Defense: Accelerated Move OrderSemi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch GambitSemi-Slav Defense: Gunderam GambitSemi-Slav Defense: Marshall GambitSemi-Slav Defense: Marshall Gambit, Forgotten VariationSemi-Slav Defense: Marshall Gambit, Main LineSemi-Slav Defense: Marshall Gambit, Tolush VariationSemi-Slav Defense: Noteboom Variation